diff options
| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-08 15:34:26 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-08 15:34:26 -0800 |
| commit | f0e2dcffae8701f00b34bce90e762eb798dea5b1 (patch) | |
| tree | f648533a633a2d065b3c9c569c4e9e3c6b2c2ea8 /include/linux/mlx4/device.h | |
| parent | 04a94babd68952a4e3cdd54ebf8ce8891f9b0f2e (diff) | |
| parent | 5128bdc97a1018aacac2550cf73bda61041cc3b8 (diff) | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
IB/core: Remove unused struct ib_device.flags member
IB/core: Add IP checksum offload support
IPoIB: Add send gather support
IPoIB: Add high DMA feature flag
IB/mlx4: Use multiple WQ blocks to post smaller send WQEs
mlx4_core: Clean up struct mlx4_buf
mlx4_core: For 64-bit systems, vmap() kernel queue buffers
IB/mlx4: Consolidate code to get an entry from a struct mlx4_buf
Diffstat (limited to 'include/linux/mlx4/device.h')
| -rw-r--r-- | include/linux/mlx4/device.h | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h index 222815d91c4..6cdf813cd47 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h @@ -133,6 +133,11 @@ enum { MLX4_STAT_RATE_OFFSET = 5 }; +static inline u64 mlx4_fw_ver(u64 major, u64 minor, u64 subminor) +{ + return (major << 32) | (minor << 16) | subminor; +} + struct mlx4_caps { u64 fw_ver; int num_ports; @@ -189,10 +194,8 @@ struct mlx4_buf_list { }; struct mlx4_buf { - union { - struct mlx4_buf_list direct; - struct mlx4_buf_list *page_list; - } u; + struct mlx4_buf_list direct; + struct mlx4_buf_list *page_list; int nbufs; int npages; int page_shift; @@ -308,6 +311,14 @@ struct mlx4_init_port_param { int mlx4_buf_alloc(struct mlx4_dev *dev, int size, int max_direct, struct mlx4_buf *buf); void mlx4_buf_free(struct mlx4_dev *dev, int size, struct mlx4_buf *buf); +static inline void *mlx4_buf_offset(struct mlx4_buf *buf, int offset) +{ + if (BITS_PER_LONG == 64 || buf->nbufs == 1) + return buf->direct.buf + offset; + else + return buf->page_list[offset >> PAGE_SHIFT].buf + + (offset & (PAGE_SIZE - 1)); +} int mlx4_pd_alloc(struct mlx4_dev *dev, u32 *pdn); void mlx4_pd_free(struct mlx4_dev *dev, u32 pdn); |